lf tune: allow float, added parse_getfloat to utils

2019-10-25 00:53:56 +02:00
parent eb7268cd98
commit 390d0ab525
3 changed files with 12 additions and 3 deletions
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -231,12 +231,12 @@ int CmdLFTune(const char *Cmd) {
                }
                break;
            case 'f': {
-                int freq = param_get32ex(Cmd, cmdp + 1, 125, 10);
-                divisor = LF_FREQ2DIV(freq);
-                if (divisor < 19) {
+                float freq = param_getfloat(Cmd, cmdp + 1, 125);
+                if ((freq < 47) || (freq > 600)) {
                    PrintAndLogEx(ERR, "freq must be between 47 and 600");
                    return PM3_EINVARG;
                }
+                divisor = LF_FREQ2DIV(freq);
                cmdp += 2;
                break;
            }